Struggling to support herself and teenage daughter, widow Yeon-ju rents out the second floor of her home to Chang-In, who claims to be a novelist working on a new book. The neighbors suspect Chang-In's true identity, as he spends an inordinate time in Yeon-ju's quarters whenever he's left home alone. A battle of wits, charm and various tensions ensue with the trio living under one roof, each harboring their own elaborate motives.

Jack Palance plays as a demented art dealer & antique-shop owner who performs nightly rituals in honor of the African god Chuku, whom he believes will reward him with unimaginable wealth and power if he merely offers up human sacrifice. His methods are fairly creative, ranging from impalement, slashing and burning, to scaring people to death with an ooga-booga fright mask.

Based on the Korean legend, unknown creatures will return and devastate the planet. Reporter Ethan Kendrick is called in to investigate the matter, and he arrives at the conclusion that a girl, stricken with a mysterious illness, named Sarah is suppose to help him. The Imoogi makes its way to Los Angeles, wreaking havoc and destruction. With the entire city under arms, will Ethan and Sarah make it in time to save the people of Los Angeles?